Switchable permanent magnet and related methods
US8446242B2 · kind B2 · utility
2Cited by
20References
24Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 9, 2010 |
| Grant date | May 21, 2013 |
| Priority date | — |
| Expiry date | Jun 28, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01F7/04
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A mechanical linkage exerts a mechanical force on a permanent magnet to substantially counterbalance the magnetic force attracting the permanent magnet to a ferrous target surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.